Modern electric gate systems like most electrical goods are contolled by a computer and this computer can crash. Turning your gate off for a 30 seconds then turning it back on can sometimes fix a gate that had stopped working and should usualy be the first thing to try.
If any of the safety devices on your gate are not functioning correctly you should isolate the power supply to the gate and contact an approved gate installer for assistance.
Sometimes when an electric gate malfunctions there is a fairly simple solution. If you follow the troubleshooting guides below you might be able to repair your gates yourself and avoid a callout charge.